Finding the Fourth Proportional to 796,776.25, 1,195,397.94 and 257,021.75
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Solution
The fourth proportional to 796,776.25, 1,195,397.94 and 257,021.75 is: 385,607.96
Step by Step Solution
- Step 1: Write the proportion equation
796,776.25 : 1,195,397.94 = 257,021.75 : x - Step 2: Convert to fraction form
796,776.25/1,195,397.94 = 257,021.75/x - Step 3: Cross multiply
796,776.25x = 1,195,397.94 × 257,021.75 - Step 4: Simplify right side
796,776.25x = 307,243,263,223.10 - Step 5: Solve for x
x = 307,243,263,223.10/796,776.25 - Step 6: Final answer
x = 385,607.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.